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Give reasons: Why are Zn, Cd, and Hg nor...

Give reasons: Why are Zn, Cd, and Hg normally not regarded as transition metals?

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. Zn^(2+) salts are colourless while Cu^(2+) salts are coloured. Give re...

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  2. Give reasons: Why are Zn, Cd, and Hg normally not regarded as transiti...

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  3. Give reasons: Why is first ionization enthalpy of Cu is higher than th...

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  4. Give reasons: Name one ore each of the manganese and chromium.

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  5. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  6. Give reasons: What is lanthanoid contraction?

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  7. In the first transition series of elements, which element shows highes...

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  8. Transition metel compounds are generally coloured. Why?

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  9. What interstitial compounds?

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  10. Aqueous solution of Ti^(4+) is colourless, but aqueous solution of Ti^...

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  11. Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...

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  12. What are lanthanoids?

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  13. Give the chemical equation for the reaction be-tween a saturated solut...

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  14. Name a transition element of 3d series which does not exhibit variable...

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  15. In the first transition series of elements, which element shows highes...

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  16. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  17. Why are powdered substances more effective adsorbents than their cryst...

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  18. What are transition elements? Give the general electronic configuratio...

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  19. Silver atom has complete filled d-orbitals (4d^(10)) in its ground sta...

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  20. Actinoid contraction is greater from element to element than lanthanoi...

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